213435023221125 has 96 divisors (see below), whose sum is σ = 387210444491520. Its totient is φ = 113105074723200.

The previous prime is 213435023221117. The next prime is 213435023221169. The reversal of 213435023221125 is 521122320534312.

213435023221125 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 3 + 502 + 3 + 2 + 21 + 125 = 666.

213435023221125 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213435023221125 - 2³ = 213435023221117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213435023221125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 735738856 + ... + 736028894.

It is an arithmetic number, because the mean of its divisors is an integer number (4033442130120).

Almost surely, 2^{213435023221125} is an apocalyptic number.

213435023221125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213435023221125 is a deficient number, since it is larger than the sum of its proper divisors (173775421270395).

213435023221125 is a wasteful number, since it uses less digits than its factorization.

213435023221125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294236 (or 294223 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 213435023221125 its reverse (521122320534312), we get a palindrome (734557343755437).

The spelling of 213435023221125 in words is "two hundred thirteen trillion, four hundred thirty-five billion, twenty-three million, two hundred twenty-one thousand, one hundred twenty-five".